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r5-471t fake ghost touches all over screen when plugged in

r5-471t ghost touches appear all over the screen when it is plugged in only, when unplugged its fine? I have to press fn+f10 to turn the touch screen off when it is plugged in or else the touch screen goes wild?

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I already returned it to default and used other power outlets and its the same..

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Any ideas?

FAQ & Answers

  • philetusphiletus Posts: 4,428ACE Pathfinder

    If you know someone who has the same laptop, try their charger or take it to a local computer shop and ask to try a charger. Your charger should be Output: 19V 2.37A 45W

  • fatanimfatanim Posts: 5Member

    I noticed it does this only when plugged in and at MAX brightness. If I turn the brightness down while its plugged in, it works fine. I guess the screen is sipping too much juice when its plugged in and at full brightness?

     

    Is this normal.. and is there a setting or something that needs adjustment?

  • philetusphiletus Posts: 4,428ACE Pathfinder

    Go here http://www.acer.com/ac/en/US/content/drivers

    Find your laptop "Notebook/Aspire/R5-471t"

    And update your bios and drivers. The latest Bios is dated 4/19/2016 

    and the I/O driver is 10/21/2015.

    Have you had the laptop longer than this?

  • fatanimfatanim Posts: 5Member

    Turns out its the charger..I confirmed this when I went back to the store I bought it from and tried my laptop on the display models charger there. Returning the charger for replacement. It is still under warranty 

     

    Thanks for your help

  • philetusphiletus Posts: 4,428ACE Pathfinder

    Good to hear. Glad it's fixed.

  • juanx78juanx78 Posts: 1Member

    This is very helpful! I will try this.

     

    I bought an Acer R5-471t about a month ago and I am having exactly the same issue with ghost touches all over the screen, only happening when plugged in. 

     

    Thanks for your input.

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